Azithromycin Identity (75 mg)

Azithromycin N-Oxide (15 mg)

Azithromycin Related Compound F (25 mg) (3'-N-demethyl-3'-N-formylazithromycin)

Azithromycin Related Compound H (15 mg) (3'-N-[[4-(acetylamino)phenyl]sulfonyl]-3'-N-demethylazithromycin)

Azo-Aminoglutethimide (100 mg)

Aztec Marigold Zeaxanthin Extract (4 x 50 mg)

Aztreonam (200 mg)

Aztreonam E-Isomer (15 mg)

Azure B (50 mg) (3-(Dimethylamino)-7-(methylamino)phenothiazin-5-ium chloride)

BSA for Protein Quantitation (5 x 1 mL)